velociraptor.init

#! /bin/sh
### BEGIN INIT INFO
# Provides:          velociraptor_client
# Required-Start:    $network $named $local_fs $syslog
# Required-Stop:     $network $named $local_fs $syslog
# Should-Start:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       velociraptor linux amd64
### END INIT INFO

PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
DESC="velociraptor linux amd64"
NAME="velociraptor-client"
DAEMON="/usr/sbin/velociraptor"
DAEMON_ARGS="client"
PIDFILE="/var/run/${NAME}.pid"
SCRIPTNAME="/etc/init.d/${NAME}"

[ -x "${DAEMON}" ] || exit 0

. /lib/init/vars.sh

# Define various helper functions, needs lsb-base >= 3.2-14
. /lib/lsb/init-functions

# If upstart or systemd is here, exit and let it handle everything.
# The init_is_upstart requires lsb-base >= 4.1+Debian3, but we want to be able
# to run on older systems, so if it isn't present we do the check ourselves.
if type init_is_upstart >/dev/null 2>&1; then
  log_daemon_msg "Upstart is present and should be used instead, doing nothing."
  init_is_upstart && exit 0
elif [ -x /sbin/initctl ] && /sbin/initctl version | /bin/grep -q upstart; then
  log_daemon_msg "Upstart is present and should be used instead, doing nothing."
  exit 0
elif [ -x /bin/systemctl ]; then
  log_daemon_msg "Systemd is present and should be used instead, doing nothing."
  exit 0
fi

do_start() {
        start-stop-daemon --start \
        --quiet \
        --test \
        --make-pidfile \
        --pidfile ${PIDFILE} \
        --startas ${DAEMON} -- ${DAEMON_ARGS} || return 1
}

do_stop() {
        start-stop-daemon --stop \
        --quiet \
        --oknodo \
        --retry=TERM/30/KILL/5 \
        --pidfile ${PIDFILE}

        RETVAL="$?"

        [ "${RETVAL}" = 2 ] && return 2

        rm -f ${PIDFILE}

        return "${RETVAL}"
}

do_reload() {
        start-stop-daemon --stop \
        --quiet \
        --pidfile ${PIDFILE} \
        --signal HUP

        return 0
}

case "$1" in
        start)
                [ "${VERBOSE}" != no ] && log_daemon_msg "Starting ${DESC}" "${NAME}"

                do_start

                case "$?" in
                        0|1)
                                [ "${VERBOSE}" != no ] && log_end_msg 0
                                ;;

                        2)
                                [ "${VERBOSE}" != no ] && log_end_msg 1
                                ;;
                esac
                ;;

        stop)
                [ "${VERBOSE}" != no ] && log_daemon_msg "Stopping ${DESC}" "${NAME}"

                do_stop

                case "$?" in
                        0|1)
                                [ "${VERBOSE}" != no ] && log_end_msg 0
                                ;;

                        2)
                                [ "${VERBOSE}" != no ] && log_end_msg 1
                                ;;
                esac
                ;;

        status)
                status_of_proc -p "${PIDFILE}" "${DAEMON}" "${NAME}" && exit 0 || exit $?
                ;;

        reload|force-reload)
                log_daemon_msg "Reloading ${DESC}" "${NAME}"

                do_reload

                log_end_msg $?
                ;;

        restart)
                log_daemon_msg "Restarting ${DESC}" "${NAME}"

                do_stop

                case "$?" in
                        0|1)
                                sleep 1

                                do_start

                                case "$?" in
                                        0)
                                                log_end_msg 0
                                                ;;

                                        1|2)
                                                log_end_msg 1
                                                ;;
                                esac
                                ;;

                        2)
                                log_end_msg 1
                                ;;
                esac
                ;;

        *)
                echo "Usage: ${SCRIPTNAME} {start|stop|status|restart|force-reload|reload}" >&2

                exit 3
                ;;
esac

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